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<OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"> <responseDate>2024-11-27T02:17:49.716511+00:00</responseDate> <request>http://oai.base-search.net/oai</request> <error code="restrictedInterface">This interface is IP-restricted. Please contact the BASE team at base.ub@uni-bielefeld.de to get access.</error> </OAI-PMH>